Update bug_report.md to make it more stripped-down

Signed-off-by: Philip Peterson <philip-peterson@users.noreply.github.com>

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,34 +1,6 @@
----
-name: Bug report
-about: Create a report to help Hyper improve
-title: ''
-labels: ''
-assignees: ''
+## What causes the bug? 
+- Git SHA of Hyper you saw the bug in (or branch if public): 
+- Actions taken: 
 
----
-
-<!--
-  Hi there! Thank you for discovering and submitting an issue.
-
-  Before you submit this; let's make sure of a few things.
-  Please make sure the following boxes are ticked if they are correct.
-  If not, please try and fulfill these first.
--->
-
-<!-- Checked checkbox should look like this: [x] -->
-- [ ] I am on the [latest](https://github.com/vercel/hyper/releases/latest) Hyper.app version
-- [ ] I have searched the [issues](https://github.com/vercel/hyper/issues) of this repo and believe that this is not a duplicate
-
-<!--
-  Once those are done, if you're able to fill in the following list with your information,
-  it'd be very helpful to whoever handles the issue.
--->
-
-- **OS version and name**: <!-- Replace with version + name -->
-- **Hyper.app version**: <!-- Replace with version -->
-- **Link of a [Gist](https://gist.github.com/) with the contents of your hyper.json**: <!-- Gist Link Here -->
-- **Relevant information from devtools** _(CMD+ALT+I on macOS, CTRL+SHIFT+I elsewhere)_: <!-- Replace with info if applicable, or N/A -->
-- **The issue is reproducible in vanilla Hyper.app**: <!-- Replace with info if applicable, or `Is Vanilla`. (Vanilla means Hyper.app without any add-ons or extras. Straight out of the box.) -->
-
-## Issue
-<!-- Now feel free to write your issue, but please be descriptive! Thanks again 🙌 ❤️ -->
+## What breaks / how to fix?
+-